8th Grade Math Refresher

Front

Solve the equation: x - 4 = -3

Back

x = 1

Front

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

Back

y = 15x + 80

Front

The local service center charges a flat fee of $50 plus $8 per mile to tow a vehicle. Write an equation that represents the total cost (C) of a service for m miles of towing.

Back

C = 8m + 50

Front

Solve the equation: 2x - 3 + 4x = 27

Back

x = 5

Front

Solve the equation: 3x - 7 = 32

Back

x = 13

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is the order of operations in mathematics?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What does the slope of a line represent?

Back

The rate of change of y with respect to x, indicating how steep the line is.

Front

What is the y-intercept in a linear equation?

Back

The value of y when x = 0, representing where the line crosses the y-axis.